MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous links to external websites, many of which are hosted on compromised WordPress sites, suggesting a phishing or malware distribution scheme. The presence of URLs with 'utm_term' parameters further supports the idea of a lure to download software or visit malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://oniceh.ru/uplcv?utm_term=ccleaner+premium+apk PDF link annotation
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609439acbe32b---romototezepidu.pdfIn PDF document text
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/fe587df37fd0b8058120d9a6d35f681c/moturazizosozagusupopofa.pdfIn PDF document text
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0d81a95be8---92642815062.pdfIn PDF document text
- http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/e5usv899jfmb663ii88ts3u534/90981378861.pdfIn PDF document text
- https://master-service.ro/images/file/pinemujekimefiseduge.pdfIn PDF document text
- https://p99.tw/pro_pic/files/wowopomawuvopuzixedu.pdfIn PDF document text
- http://gentlemensquartersbarbershop.com/wp-content/plugins/super-forms/uploads/php/files/686d5db699ae975a6deeb725757768a6/jezelavatovonesifonulujow.pdfIn PDF document text
- http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607ddb217c48f---89924402078.pdfIn PDF document text
- http://allycatering.com/userfiles/98689080005.pdfIn PDF document text
- http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a804dbc3383---wizaviwebekubuwofajodadi.pdfIn PDF document text
- http://polymer-optix.de/userfiles/file/6454488217.pdfIn PDF document text
- https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/kucleb6ktvf9fn9729ml0ns6mo/kanedumodabivesomoj.pdfIn PDF document text
- http://humanitool.ru/userfiles/file/kumamekopotamirugol.pdfIn PDF document text
- http://thesnowmanicecream.com/ckfinder/userfiles/files/sikilawobalofaduvabutiw.pdfIn PDF document text
- https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/fp4cniurf198tubc36oli6pvt1/newiragixujivikefuzaxixol.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/dac64d7ee5c96b016faca528a3e79a15/ruzewagoreva.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d092.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD092 | 4872 bytes |
SHA-256: 98462780b7da142f957d5e065253d21853a3db5d18137cd1ad28f6a48c56c735 |
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font_01_sfnt_off0000e10a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE10A | 10848 bytes |
SHA-256: 136d15b3599bad080179ae4eeec72ca1f54b62ed258d07692ff20210692e9932 |
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